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What is correct increasing oreder of bon...

What is correct increasing oreder of bond lengths of bond indicated as I,II,III and IV in following compounds?

A

`IltIIltIIIltIV`

B

`IIltIIIltIVltI`

C

`IVltIIltIIIltI`

D

`IVltIltIIltIII`

Text Solution

Verified by Experts

The correct Answer is:
D
(III) is largest as it is complete single bond.
(IV) is shortest as it is complete triple bond. Bond length of (I) increases because of hyperconjugation.
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